O Jack Peiffer

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
PLOW	$14.38	26,901	$386,960.12	11,783	2011-03-15	Filing
PLOW	$10.49	3,044	$31,931.56	2,000	2010-05-14	Filing
PLOW	$10.49	7,105	$74,531.45	0	2010-05-10	Filing